Photos: 2013 Blue Line 'Ghost Train' collision
Two CTA trains collided on the Blue Line in Forest Park on Monday, Sept. 30, 2013. The accident sent more than 30 people to hospitals.Two CTA electrical workers were fired and two other employees suspended as a result of the collision.
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CTA workers measure the height of the crumpled metal after two Blue Line CTA trains collided at the Harlem stop in Forest Park.